Substitute of Expensive Pt with Improved Electrocatalytic Performance and Higher Resistance to CO Poisoning for Methanol Oxidation: the Case of Synergistic Pt-Co3O4 Nanocomposite-Reference-Cited by-同舟云学术

Substitute of Expensive Pt with Improved Electrocatalytic Performance and Higher Resistance to CO Poisoning for Methanol Oxidation: the Case of Synergistic Pt-Co3O4 Nanocomposite

Published:2013-11-16 Issue:4 Volume:5 Page:296-302
ISSN:2311-6706
Container-title:Nano-Micro Letters
language:en
Short-container-title:Nano-Micro Lett.

Author:

Zhao Hongxiao,Zheng Zhi,Li Jing,Jia Huimin,Wong Ka-wai,Zhang Yidong,Lau Woon Ming

Abstract

Abstract In this paper, Pt-Co3O4 nanocomposite was synthesized by a sol-gel process combined with electrodeposition method. Its electrocatalytic activity towards methanol oxidation was investigated at room temperature using cyclic voltammetry (CV), electrochemical impedance spectroscopy (EIS) and current density-time curve. It is found that the resultant Pt-Co3O4 catalysts with minute amount of Pt exhibite attractive electrocatalytic activity for methanol oxidation reaction (MOR) but with a high resistance CO poisoning due to the synergistic effects from Pt and Co3O4. Together with the low manufacturing cost of Co3O4, the reported nanostructured Pt-Co3O4 catalyst is expected to be a promising electrode material for direct methanol fuel cells (DMFC).

Publisher

Springer Science and Business Media LLC

Subject

Electrical and Electronic Engineering,Surfaces, Coatings and Films,Electronic, Optical and Magnetic Materials

Link

https://link.springer.com/content/pdf/10.1007/BF03353761.pdf

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